Free Online Tools

Fast, private, browser-based utilities. No sign-ups, no uploads, no tracking.

QR Code Generator

Create QR codes from any URL or text. Customize colors, size, and download as PNG.

Resize images in your browser. Drag and drop, set dimensions, preview and download.

Convert length, weight, temperature, speed, area and volume units instantly.

Pick colors and convert between HEX, RGB, HSL, CMYK. Check WCAG contrast ratios.

Count characters, words, sentences, paragraphs. Keyword density and case converter.

Format, beautify, minify and validate JSON. Tree view and error highlighting.

Encode and decode Base64 strings. File to Base64 with drag and drop support.

Generate placeholder text by paragraphs, sentences, or words. HTML output option.

Generate strong random passwords. Customizable length, character sets, bulk generation.

Convert PDF pages to PNG or JPEG images. Select pages, adjust quality, download all.

Convert text between UPPERCASE, lowercase, Title Case, camelCase, snake_case, kebab-case and more.

Convert Markdown to HTML with live preview. Toggle between rendered and raw HTML output.

Compress images with adjustable quality. Output as JPEG, WebP, or PNG with before/after comparison.

Detailed word analysis: frequency, unique words, reading time, and Flesch-Kincaid readability.

Encode and decode URLs with encodeURIComponent or encodeURI. Auto-detect mode included.

Generate MD5, SHA-1, SHA-256, SHA-512 hashes from text or file input. Copy individual hashes.

Test regex patterns with real-time highlighting, match groups, replace mode, and pattern library.

Compare two texts with side-by-side or inline diff view. LCS-based line comparison.

Convert Unix timestamps to dates and vice versa. Live clock, timezone display, ISO 8601.

Download YouTube video thumbnails in all sizes. Just paste a URL or video ID.